Select Dive Setup > Advanced Settings.

Double Tap to Scroll

Enables a double-tap on the dive computer to scroll through the dive data screens. If you notice accidental scrolling, you can use the Sensitivity option to adjust the responsiveness.

Silent Diving

Disables all tones and vibrations for alerts during dive activities.

Compass

Calibrates and set the north reference of the dive compass (Calibrating the Compass).

No-Fly Time

Sets the no-fly countdown timer mode (No-Fly Time).

Units

Sets the distance, depth, temperature, and tank pressure units of measure for diving.

Deco Lockout

Disables the decompression lockout feature. This feature prevents gas dives for 24 hours if you violate a decompression ceiling for more than three minutes.

NOTE: You can still disable the decompression lockout feature after violating a decompression ceiling.

Tissue Loading

Displays and allows you to manage your tissue load data. You can transfer your tissue load data to another device (Sharing Dive Settings Between Devices), or you can reset your tissue load data (Resetting All Default Settings).